040000 tree 65c2b0b6fd6ee95bb1468025147edcc56c12779d	build
040000 tree 94a0fff1b5aac78e203134e14211adee8329ccb6	build_rules
040000 tree 23ba013aff781bb472db33211e7bfbe662e58525	dev
040000 tree 44be511ecc12d23ca7fd727a24bb219b221f0ee5	gui
040000 tree ffc6c6cfaefe22b311fe981ee85bc239119de320	package
040000 tree 7183ede08d455e2d5f958a0b0a4d99ecabd6fb68	test
040000 tree 544425a8f378f24fa9a142685fceeb9602d38754	tutorials